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The old man lives alone on an island, and his home is not accessible ______ by boat.

Jim is old enough to look after the pet dog ______.

．As is _______ known, a good knowledge of basic physics helps us better understand natural phynomenons.

．I’m not sure exactly how much money you’ll receive, but it will __________ cover your major expenses.

When asked about my plan for the future, I hope to get a job on the local newspaper at first and ________work for "China Daily"．

Fortunately somebody who happened to be passing by called the fire department ______ the fire broke out.

The song is about a couple forced to separate _________, but they valued the memories of their love all their lives.

.The teacher used to stay up deep into the night. ______ , he made himself ill.

I go _____ to the stadium when there’s a game, but usually I watch it on TV.

After searching for several hours, the boy was _____ too pleased to find his lost mobile phone.